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Related Experiment Videos

Percutaneous pyeloplasty: an alternative to open surgery.

D R Webb1

  • 1Royal Melbourne Hospital, Parkville, Vic.

The Medical Journal of Australia
|December 7, 1987
PubMed
Summary

This study presents a novel one-stage percutaneous procedure for pelviureteric junctional obstruction, offering successful outcomes and avoiding open surgery for most patients. The technique involves internal division of the stricture and natural regeneration, demonstrating potential for selected cases.

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Area of Science:

  • Urology
  • Minimally Invasive Surgery

Background:

  • Pelviureteric junctional obstruction is a common cause of upper urinary tract obstruction.
  • Traditional management often involves open surgery, which can be associated with significant morbidity and prolonged recovery.
  • Endoscopic and percutaneous techniques have been explored to minimize invasiveness.

Purpose of the Study:

  • To describe a novel one-stage percutaneous endoscopic management for pelviureteric junctional obstruction.
  • To evaluate the efficacy and safety of this minimally invasive approach in a small cohort of patients.
  • To assess outcomes including success rates, morbidity, hospital stay, and radiological improvement.

Main Methods:

  • A one-stage percutaneous procedure was performed on five patients with pelviureteric junctional obstruction.

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  • Renal calculi were removed simultaneously in two patients.
  • A modified endoscopic urethrotomy knife was used via a percutaneous nephrostomy track to divide the strictured segment internally.
  • A soft splint was placed to bridge the defect, promoting natural regeneration over six weeks.

    • Main Results:

    • Four out of five patients achieved successful results, characterized by improved radiological drainage and avoidance of open surgery.
    • Patients experienced a shortened hospital stay and minimal morbidity.
    • One patient with a history of multiple prior open surgeries remained symptomatic despite anatomical correction, ultimately requiring nephrectomy.
    • The technique was deemed applicable to selected primary and secondary obstructions in anatomically dependent situations.

    Conclusions:

    • The described one-stage percutaneous endoscopic technique offers a promising minimally invasive alternative for managing selected cases of pelviureteric junctional obstruction.
    • Successful anatomical and functional correction was achieved in the majority of patients, with significant benefits in terms of recovery and morbidity.
    • Careful patient selection is crucial, particularly in cases with complex surgical histories, to optimize outcomes and avoid potential complications such as nephrectomy.